.bx--data-table-v2{
    border-collapse: collapse;
    border-spacing: 0;
    width: 70%;
    border-bottom: 1px solid #DFE3E6;
    margin-left: 7.5rem;
}
.bx--data-table-v2 thead{
    font-size: 0.875rem;
    background-color: #F4F7FB;
    font-weight: 700;
    border-right: 1px solid #DFE3E6;
}
.bx--data-table-v2 tbody{
    font-size: 0.875rem;
    background-color: #FFFFFF;
    border-right: 1px solid #DFE3E6;
}
.bx--data-table-v2 tr{
    height: 3rem;
}
.bx--data-table-v2 th{
    font-size: 0.875rem;
    border-top: 1px solid #DFE3E6;
    padding-left: 0.75rem;
    vertical-align: middle;
    text-align: left;
    color: #152934;
}
.bx--data-table-v2 td{
    font-size: 0.875rem;
    border-top: 1px solid #DFE3E6;
    padding-left: 0.75rem;
    vertical-align: middle;
    text-align: left;
    color: #152934;
}
.bx--data-table-v2 .btn{
    padding-top: 1px;
    padding-right: 5px;
    padding-bottom: 1px;
    padding-left: 5px;
    font-size:0.875rem ;
}
.folded{
    background-color:#DFE3E6;
}
.unfolded{
    background-color:#ffffff;
}
/*show class image*/
#classes{
    padding-bottom: 20px;
}
.class-div{
    width: 70%;
    margin-top: 20px;
    margin-left: 7.5rem;
}
.class-title,.class-image-num{
    display: inline;
    vertical-align: middle;
    font-size: 1.255rem;
    font-weight: bold;
}
.class-head{
    padding-left:5px;
}
.class-body{
    margin-top: 10px;
    padding-left:5px;
    padding-top: 5px;
    border: 1px solid #DFE3E6;
}
.image-div{
    max-height: 180px;
    overflow-y:scroll;
}
.image-ul{
    max-height:150px;
}
.image-ul li{
    /*float:left;*/
    /*width:160px;*/
    /*padding: 0;*/
}
.image-ul img{
    display:block;
    width: 65px;
    /*padding:5px;*/
}
.image-ul span{
    display: block;
    width: 100%;
    text-align: center;
    /*line-height: 30px;*/
}